ECM LOCATION
On G20, ECM is located under center of instrument panel. On Q45, ECM is located behind right kick panel.
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Contents
Wiring diagrams Section: Testing & Diagnostics- Engine Controls - Basic Diagnostic Procedures: Diagnosis
- Engine Controls - Basic Diagnostic Procedures: Other
- Engine Controls - Self-Diagnostics - Introduction - G20 & Q45: Overview
- Engine Controls - Self-Diagnostics - Introduction - G20 & Q45: Diagnosis
- Engine Controls - Self-Diagnostics - Introduction - G20 & Q45: Component Locations
- Engine Controls - Self-Diagnostics - Introduction - G20 & Q45: Other
- DTC P0100: MAF Sensor
- DTC P0115: ECT Sensor
- DTC P0120: TP Sensor
- DTC P0403: EGR Volume Control Valve (G20 Only)
- DTC P1210: Traction Control System (TCS) Signal Circuit (Q45 Only)
- Engine Controls - Self-Diagnostics - 2.0: Overview
- Engine Controls - Self-Diagnostics - 2.0: Diagnosis
- Engine Controls - Self-Diagnostics - 2.0: Wiring
- DTC P0100: MASS AIRFLOW (MAF) SENSOR
- Engine Controls - Self-Diagnostics - 2.0: Other
- DTC P0105: ABSOLUTE PRESSURE (AP) SENSOR
- DTC P0110: INTAKE AIR TEMPERATURE (IAT) SENSOR
- DTC P0115 OR P0125: ENGINE COOLANT TEMPERATURE (ECT) SENSOR
- DTC P0120: THROTTLE POSITION (TP) SENSOR
- DTC P0130: FRONT HEATED OXYGEN SENSOR (HO2S)
- DTC P0131 OR P0132: FRONT HEATED OXYGEN SENSOR (HO2S)
- DTC P0133: FRONT HEATED OXYGEN SENSOR (HO2S)
- DTC P0134: FRONT HEATED OXYGEN SENSOR (HO2S)
- DTC P0135: FRONT HEATED OXYGEN SENSOR (HO2S) HEATER
- DTC P0137, P0138, P0139 OR P0140: REAR HEATED OXYGEN SENSOR (HO2S)
- DTC P0141: REAR HEATED OXYGEN SENSOR (HO2S) HEATER
- DTC P0171 OR P0172: FUEL INJECTION SYSTEM FUNCTION
- DTC P0180: FUEL TANK TEMPERATURE (FTT) SENSOR
- DTC P0217: COOLANT OVERTEMPERATURE ENRICHMENT PROTECTION, OR DTC P1217: ENGINE OVERHEAT
- DTC P0300-P0304: CYLINDER OR MULTIPLE CYLINDER MISFIRE
- DTC P0325: KNOCK SENSOR
- DTC P0335 OR P1336: CRANKSHAFT POSITION (CKP) SENSOR
- DTC P0340: CAMSHAFT POSITION (CMP) SENSOR
- DTC P0400: EGR FUNCTION
- DTC P0403: EGR VOLUME CONTROL VALVE (EGR-VCV)
- DTC P0420: 3-WAY CATALYST FUNCTION
- DTC P0440, P0455 OR P1440: EVAP CONTROL SYSTEM
- DTC P0443: EVAP CANISTER PURGE VOLUME CONTROL VALVE (EVAP-CPVCV)
- DTC P0446: EVAP CANISTER VENT CONTROL VALVE (EVAP-CVCV)
- DTC P0450: EVAP CONTROL SYSTEM PRESSURE SENSOR (EVAP-CSPS)
- DTC P0460: FUEL LEVEL SENSOR FUNCTION (SLOSH)
- DTC P0461: FUEL LEVEL SENSOR FUNCTION
- DTC P0464: FUEL LEVEL SENSOR CIRCUIT
- DTC P0500: VEHICLE SPEED SENSOR (VSS)
- DTC P0505: IDLE AIR CONTROL VALVE-AUXILIARY AIR CONTROL (IACV-AAC) VALVE
- DTC P0510: CLOSED THROTTLE POSITION (TP) SWITCH
- DTC P0600: A/T CONTROL
- DTC P0605: ECM
- DTC P1126: THERMOSTAT FUNCTION
- DTC P1148: CLOSED LOOP CONTROL
- DTC P1217: ENGINE OVERHEAT
- DTC P1320: IGNITION SIGNAL
- DTC P1336: CRANKSHAFT POSITION (CKP) SENSOR
- DTC P1401: EGR TEMPERATURE SENSOR
- DTC P1402: EGR FUNCTION
- DTC P1440: EVAP CONTROL SYSTEM
- DTC P1444: EVAP CANISTER PURGE VOLUME CONTROL VALVE (EVAP-CPVCV)
- DTC P1446: EVAP CANISTER VENT CONTROL VALVE (EVAP-CVCV)
- DTC P1447: EVAP CONTROL SYSTEM PURGE FLOW MONITORING
- DTC P1448: EVAP CANISTER VENT CONTROL VALVE (EVAP-CVCV)
- DTC P1464: FUEL LEVEL SENSOR CIRCUIT (GROUND SIGNAL)
- DTC P1490: VACUUM CUT VALVE BY-PASS VALVE
- DTC P1491: VACUUM CUT VALVE BY-PASS VALVE
- DTC P1605: A/T DIAGNOSIS COMMUNICATION LINE
- DTC P1706: PARK/NEUTRAL POSITION (PNP) SWITCH
- Engine Controls - Trouble Shooting - No Codes: Diagnosis
- Engine Controls - Trouble Shooting - No Codes: Other
- Engine Controls - System & Component Testing: Diagnosis
- Engine Controls - System & Component Testing: Component Locations
- Engine Controls - System & Component Testing: Other
- Abbreviations
- Accessories Control Systems
- Accessory Drive Belts
- Adjustments
- Airbag
- Antenna Systems
- Anti-Lock/traction Control
- Application
- Automatic HVAC System
- Automatic Trans
- Auxiliary Emission Control Systems
- Axle Shafts
- Basic Trouble Shooting
- Brakes
- Cabin Air Filter
- Charging System
- Check Lists
- Clutches Manual & Hydraulic
- Communication Devices
- Computer Relearn
- Cooling Fan
- Cooling System (Mechanical)
- Cruise Control Systems
- Diagnostic Connector Locations
- Door Locks & Anti-Theft Systems
- Drive Cycles
- Driveline/axles
- DTC Index
- Electrical Component Locations
- Emission Applications
- Engine
- Engine Performance
- Exterior Lights
- Fuses & Circuit Breakers
- Gauges & Instrument Panels
- General Servicing - All Makes
- Headlights
- Heated Glass/defoggers
- Identification
- Interior/illumination Lights
- Manual HVAC System
- Manual Trans
- Mechanical
- Mechanical - Hydraulic
- Metric Conversions
- Mirrors
- Mode 6
- Navigation System
- Oem General Information
- Pin Voltage Charts
- Removal & Installation
- Restraints
- Seats
- Sensor Range Charts
- Specifications
- Starter
- Steering
- Steering Column
- Steering Column Switches
- Steering Gear
- Sun Roof/t-Top/convertible Top
- Suspension Front
- Suspension Rear
- Testing & Diagnostics
- Theory & Operation
- Traction Control Disable
- Transmission
- Warning System
- Wheel Alignment
- Windows
- Wiper/washer Systems
- Wiring Diagrams - Engine Performance
- Wiring System (Data Link Connectors, Pwr Dist., Grnd Dist.)